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Long-spined Sea Urchin
Long-spined sea urchins are covered in long, hollow, venomous spines
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Fun Facts

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Defences
Their venomous spines can cause pain and swelling to those stung by them.
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Appearance
They have a brightly-coloured anal cone among their long spines.
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Did you know?
While they lack complex eyes, long-spined sea urchins have sensitive light sensors all over their body.
Icon_80x80_Defences
Defences
Their venomous spines can cause pain and swelling to those stung by them.
Icon-DI-80x80-appearance
Appearance
They have a brightly-coloured anal cone among their long spines.

About the Long-spined Sea Urchin

    Characteristics
    They are regarded to have the best vision among sea urchins.
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Relationship with other Species

    Commensal Relationship
    Cardinal fish hide among the spines of long-spined sea urchins to camouflage and hide from predators.
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